/* ── Chika Chart Frontend ── */
.chika-chart-wrap {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  max-width: 900px;
  margin: 0 auto;
  padding: 8px 0 24px;
  position: relative;
}
.chika-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}
.chika-brand {
  font-size: 22px;
  font-weight: 600;
  color: #1a1a1a;
  letter-spacing: -0.3px;
}
.chika-dot { color: #D4537E; }
.chika-sub {
  font-size: 12px;
  color: #888;
  margin-top: 3px;
}
.chika-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.chika-tab {
  padding: 7px 18px;
  border-radius: 99px;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid #ddd;
  color: #666;
  background: transparent;
  transition: all 0.15s;
  font-family: inherit;
}
.chika-tab:hover { border-color: #D4537E; color: #D4537E; }
.chika-tab.active { background: #D4537E; border-color: #D4537E; color: #fff; font-weight: 500; }

.chika-formula-bar { display: none !important; }
.chika-formula-bar-DISABLED {
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 8px 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.chika-fl { font-size: 11px; color: #aaa; text-transform: uppercase; letter-spacing: 0.4px; }
.chika-fp { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 500; padding: 2px 10px; border-radius: 99px; }
.chika-fp-sp { background: #e8f5e9; color: #2e7d32; }
.chika-fp-yt { background: #fce4ec; color: #c62828; }
.chika-fo { font-size: 12px; color: #bbb; }

.chika-filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  align-items: center;
}
.chika-filter-label { font-size: 12px; color: #aaa; }
.chika-pill {
  padding: 5px 14px;
  border-radius: 99px;
  font-size: 12px;
  cursor: pointer;
  border: 1px solid #e0e0e0;
  color: #666;
  background: transparent;
  transition: all 0.15s;
  font-family: inherit;
}
.chika-pill:hover { border-color: #D4537E; color: #D4537E; }
.chika-pill.active { background: #f5f5f5; color: #1a1a1a; border-color: #bbb; font-weight: 500; }

.chika-period-note {
  font-size: 11px;
  color: #999;
  margin-bottom: 14px;
  padding: 6px 12px;
  border-left: 2px solid #D4537E;
  background: #fff5f7;
  border-radius: 0 6px 6px 0;
  min-height: 30px;
}

.chika-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 40px;
  justify-content: center;
  color: #aaa;
  font-size: 14px;
}
.chika-spinner {
  width: 20px; height: 20px;
  border: 2px solid #eee;
  border-top-color: #D4537E;
  border-radius: 50%;
  animation: chikaSpinner 0.7s linear infinite;
}
@keyframes chikaSpinner { to { transform: rotate(360deg); } }

/* Featured */
.chika-featured {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.chika-feat-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}
.chika-feat-card:hover { border-color: #D4537E; transform: translateY(-2px); }
.chika-feat-card.is-rank1 { border-top: 2px solid #D4537E; }
.chika-feat-img {
  width: 100%; aspect-ratio: 1/1;
  background: #f5f5f5;
  display: flex; align-items: center; justify-content: center;
  font-size: 44px;
  overflow: hidden;
}
.chika-feat-img img { width: 100%; height: 100%; object-fit: cover; }
.chika-feat-body { padding: 10px 12px 14px; }
.chika-feat-rank { font-size: 11px; font-weight: 600; color: #D4537E; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 2px; }
.chika-feat-song { font-size: 14px; font-weight: 600; color: #1a1a1a; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chika-feat-group { font-size: 11px; color: #888; margin-bottom: 8px; }
.chika-feat-score { display: none; font-size: 20px; font-weight: 700; color: #1a1a1a; }
.chika-feat-score-lbl { display: none; font-size: 10px; color: #bbb; text-transform: uppercase; letter-spacing: 0.4px; }
.chika-feat-chips { display: flex; gap: 6px; margin-top: 7px; flex-wrap: wrap; }
.chika-chip { display: inline-flex; align-items: center; gap: 3px; font-size: 10px; border-radius: 5px; padding: 2px 7px; }
.chika-chip-sp { background: #e8f5e9; color: #2e7d32; }
.chika-chip-yt { background: #fce4ec; color: #c62828; }

/* List */
.chika-list-wrap {
  border: 1px solid #e8e8e8;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}
.chika-list-head {
  display: grid;
  grid-template-columns: 36px 1fr 80px 80px 80px;
  gap: 6px;
  padding: 8px 14px;
  border-bottom: 1px solid #f0f0f0;
  background: #fafafa;
}
.chika-list-head span { font-size: 10px; color: #bbb; text-transform: uppercase; letter-spacing: 0.4px; font-weight: 500; }
.chika-list-row {
  display: grid;
  grid-template-columns: 36px 1fr 80px 80px 80px;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid #f5f5f5;
  align-items: center;
  cursor: pointer;
  transition: background 0.1s;
}
.chika-list-row:last-child { border-bottom: none; }
.chika-list-row:hover { background: #fff5f7; }
.chika-rank { font-size: 13px; font-weight: 600; color: #ccc; text-align: center; }
.chika-rank.top3 { color: #D4537E; }
.chika-song-info { display: flex; align-items: center; gap: 10px; overflow: hidden; }
.chika-thumb {
  width: 36px; height: 36px;
  border-radius: 7px;
  background: #f5f5f5;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  overflow: hidden;
}
.chika-thumb img { width: 100%; height: 100%; object-fit: cover; }
.chika-sname { font-size: 13px; font-weight: 600; color: #1a1a1a; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chika-sgroup { font-size: 11px; color: #999; }
.chika-col-num { font-size: 12px; color: #555; text-align: right; }
.chika-col-score { font-size: 12px; font-weight: 700; color: #D4537E; text-align: right; }
.chika-kota-b {
  display: inline-block;
  font-size: 10px;
  background: #f5f5f5;
  border: 1px solid #e0e0e0;
  border-radius: 99px;
  padding: 2px 8px;
  color: #777;
  text-align: center;
  white-space: nowrap;
}
.chika-empty { padding: 30px; text-align: center; color: #aaa; font-size: 13px; }

/* Modal */
.chika-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 99999;
  align-items: center;
  justify-content: center;
}
.chika-modal-overlay.open { display: flex; }
.chika-modal {
  background: #fff;
  border-radius: 14px;
  width: 320px;
  max-width: 95vw;
  overflow: hidden;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}
.chika-modal-close {
  position: absolute; top: 10px; right: 10px;
  background: rgba(0,0,0,0.35); border: none;
  border-radius: 50%; width: 28px; height: 28px;
  color: #fff; cursor: pointer; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
}
.chika-modal-img {
  width: 100%; height: 160px;
  background: #f0f0f0;
  display: flex; align-items: center; justify-content: center;
  font-size: 56px;
  overflow: hidden;
}
.chika-modal-img img { width: 100%; height: 100%; object-fit: cover; }
.chika-modal-body { padding: 16px 18px 20px; }
.chika-modal-song  { font-size: 18px; font-weight: 700; color: #1a1a1a; }
.chika-modal-group { font-size: 12px; color: #999; margin-bottom: 12px; }
.chika-modal-score-box {
  background: #fff5f7;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 12px;
  display: flex; align-items: baseline; gap: 8px;
}
.chika-modal-score-num { font-size: 26px; font-weight: 700; color: #D4537E; }
.chika-modal-score-lbl { font-size: 11px; color: #bbb; }
.chika-modal-rows {}
.chika-modal-row {
  display: flex; justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid #f5f5f5;
  font-size: 12px;
}
.chika-modal-row:last-child { border-bottom: none; }
.chika-modal-row > span:first-child { color: #999; }
.chika-modal-row > span:last-child  { font-weight: 600; color: #1a1a1a; }
.chika-modal-profil {
  font-size: 12px; color: #666; line-height: 1.6;
  margin: 10px 0 0;
  padding: 10px 0 0;
  border-top: 1px solid #f5f5f5;
}
.chika-modal-links {
  display: flex; gap: 8px; margin-top: 12px;
}
.chika-modal-link {
  flex: 1; padding: 8px;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
  font-size: 12px;
  text-align: center;
  color: #555;
  text-decoration: none;
  display: flex; align-items: center; justify-content: center; gap: 5px;
  transition: background 0.1s;
}
.chika-modal-link:hover { background: #f5f5f5; }
.chika-modal-link-sp:hover { border-color: #1DB954; color: #1DB954; }
.chika-modal-link-yt:hover { border-color: #FF0000; color: #FF0000; }

@media (max-width: 600px) {
  .chika-featured { grid-template-columns: 1fr 1fr; }
  .chika-list-head,
  .chika-list-row  { grid-template-columns: 30px 1fr 60px 54px; }
  .chika-list-head span:nth-child(5),
  .chika-list-row  > *:nth-child(5) { display: none; }
}